期刊
CLINICA CHIMICA ACTA
卷 515, 期 -, 页码 111-121出版社
ELSEVIER
DOI: 10.1016/j.cca.2021.01.004
关键词
Procalcitonin; Standardization; Harmonization; Traceability; Reference measurement system
资金
- European Metrology Programme for Innovation and Research (EMPIR) [15HLT07, 18HLT03]
- EMPIR programme
- European Union's Horizon 2020 research and innovation programme
- CIFRE scholarship by ANRT (Association Nationale de la Recherche et de la Technologie)
Procalcitonin is an important biomarker for sepsis, but there is currently no standardized reference measurement procedure or certified reference material globally. Efforts are being made by the IFCC to develop higher-order RMP and commutable reference materials to establish a robust reference measurement system. A commutability study is underway to assess the comparability of PCT results and evaluate the necessity of a new RMS.
Procalcitonin (PCT) is an important biomarker for sepsis diagnosis and management. To date, there is no higherorder reference measurement procedure (RMP) and certified reference material to achieve global standardization of results and results traceability to the SI units. Although efforts have been made to harmonize PCT results, a number of comparison studies and external quality assessment (EQA) schemes show conflicting results regarding results comparability and to date, equivalence of PCT results across the assays remains questionable in absence of studies relying on commutable EQA materials. In this context, the IFCC initiated activities to fill these gaps through the creation of the working group on standardization of PCT assays that gathers experts from National Metrology Institutes, calibration laboratories, clinicians, biologists, EQA providers and assay manufacturers. Among the activities, a higher order RMP and commutable reference materials are under development to build a robust reference measurement system (RMS). A commutability study is being organized to identify EQA materials that are fit for purpose to reliably estimate the current comparability of PCT results. This work will make it possible to evaluate the necessity and the feasibility for establishing and maintaining a new RMS for PCT assays, if deemed necessary.
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